From 9119637cb399963c4be9cfc8bf05a14f57e08813 Mon Sep 17 00:00:00 2001
From: tye1 <tye1@6f19259b-4bc3-4df7-8a09-765794883524>
Date: Fri, 10 Aug 2012 06:32:15 +0000
Subject: Fix issue that TCP server will not response to SYN packet from TCP
 client in TCP6 module.

Signed-off-by: Ye Ting <ting.ye@intel.com>
Reviewed-by: Ouyang Qian <qian.ouyang@intel.com>
Reviewed-by: Fu Siyuan <siyuan.fu@intel.com>

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@13606 6f19259b-4bc3-4df7-8a09-765794883524
---
 NetworkPkg/TcpDxe/TcpDispatcher.c | 7 ++++++-
 NetworkPkg/TcpDxe/TcpIo.c         | 6 ++++--
 NetworkPkg/TcpDxe/TcpProto.h      | 4 +++-
 3 files changed, 13 insertions(+), 4 deletions(-)

(limited to 'NetworkPkg/TcpDxe')

diff --git a/NetworkPkg/TcpDxe/TcpDispatcher.c b/NetworkPkg/TcpDxe/TcpDispatcher.c
index eaa75a4..3e6d34c 100644
--- a/NetworkPkg/TcpDxe/TcpDispatcher.c
+++ b/NetworkPkg/TcpDxe/TcpDispatcher.c
@@ -1,7 +1,7 @@
 /** @file
   The implementation of a dispatch routine for processing TCP requests.
 
-  Copyright (c) 2009 - 2010, Intel Corporation. All rights reserved.<BR>
+  Copyright (c) 2009 - 2012, Intel Corporation. All rights reserved.<BR>
 
   This program and the accompanying materials
   are licensed and made available under the terms and conditions of the BSD License
@@ -334,6 +334,7 @@ TcpFlushPcb (
   NetbufFreeList (&Tcb->SndQue);
   NetbufFreeList (&Tcb->RcvQue);
   Tcb->State = TCP_CLOSED;
+  Tcb->RemoteIpZero = FALSE;
 }
 
 /**
@@ -711,6 +712,10 @@ TcpConfigurePcb (
 
   if (Sk->IpVersion == IP_VERSION_6) {
     Tcb->Tick          = TCP6_REFRESH_NEIGHBOR_TICK;
+
+    if (NetIp6IsUnspecifiedAddr (&Tcb->RemoteEnd.Ip.v6)) {
+      Tcb->RemoteIpZero = TRUE;
+    }
   }
 
   TcpInsertTcb (Tcb);
diff --git a/NetworkPkg/TcpDxe/TcpIo.c b/NetworkPkg/TcpDxe/TcpIo.c
index cecb6d1..2b99927 100644
--- a/NetworkPkg/TcpDxe/TcpIo.c
+++ b/NetworkPkg/TcpDxe/TcpIo.c
@@ -1,7 +1,7 @@
 /** @file
   Implementation of I/O interfaces between TCP and IpIoLib.
 
-  Copyright (c) 2009 - 2010, Intel Corporation. All rights reserved.<BR>
+  Copyright (c) 2009 - 2012, Intel Corporation. All rights reserved.<BR>
 
   This program and the accompanying materials
   are licensed and made available under the terms and conditions of the BSD License
@@ -112,7 +112,9 @@ TcpSendIpPacket (
       // It's IPv6 and this TCP segment belongs to a solid TCB, in such case
       // the destination address can't be overridden, so reset the Dest to NULL.
       //
-      Dest = NULL;
+      if (!Tcb->RemoteIpZero) {
+        Dest = NULL;
+      }
     }
   }
 
diff --git a/NetworkPkg/TcpDxe/TcpProto.h b/NetworkPkg/TcpDxe/TcpProto.h
index 88dfbb9..ee35134 100644
--- a/NetworkPkg/TcpDxe/TcpProto.h
+++ b/NetworkPkg/TcpDxe/TcpProto.h
@@ -1,7 +1,7 @@
 /** @file
   TCP protocol header file.
 
-  Copyright (c) 2009 - 2010, Intel Corporation. All rights reserved.<BR>
+  Copyright (c) 2009 - 2012, Intel Corporation. All rights reserved.<BR>
 
   This program and the accompanying materials
   are licensed and made available under the terms and conditions of the BSD License
@@ -335,6 +335,8 @@ struct _TCP_CONTROL_BLOCK {
   UINT8             Ttl;
   EFI_IPv4_ADDRESS  SubnetMask;
 
+
+  BOOLEAN           RemoteIpZero;   ///< RemoteEnd.Ip is ZERO when configured.
   IP_IO_IP_INFO     *IpInfo;        ///< Pointer reference to Ip used to send pkt
   UINT32            Tick;           ///< 1 tick = 200ms
 };
-- 
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